25% of the officers in a camp are senior officers and the remaining are junior officers. The monthly wage of each senior officer is $4,500 and the monthly wage of each junior officer is $3,500. What is the average monthly wage of all officers in the camp?

(A)

(B)

(C)

(D)

Thanks!

10-19-2013, 07:10 PM

kadence

Let be the total number of officers in this camp. The number of senior officers would be and the number of junior officers would be .